Head to head · Row Crop

Allis Chalmers D21 Series I vs Zetor 10540

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Allis ChalmersModel A

Allis Chalmers D21 Series I

Row Crop

power
103 hp
displacement
426 ci
Cylinders
6
Forward gears
8
Full D21 Series I specs
Image not recorded
ZetorModel B

Zetor 10540

Agricultural

power
105 hp
displacement
254 ci
Cylinders
4
Forward gears
18
Full 10540 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
ZetorZetor 10540

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 10540 higher · +2 hp (+2%)
D21 Series I103 hp
10540105 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 10540 is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +172 ci (+68%)
D21 Series I426 ci
10540254 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 10540 is in the 17th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
105404
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 10540 is in the 17th · 1,417 models

Forward Gears

▲ 10540 higher · +10 (+125%)
D21 Series I8
1054018
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 10540 is in the 61st · 1,200 models

D21 Series I (A)10540 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IZetor 10540Difference
ManufacturerAllis ChalmersZetor—
ModelD21 Series I10540—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IZetor 10540Difference
ManufacturerAllis ChalmersZetor—
Model3400Z 1301—
Power Output103hp105hp▲ 10540+2 hp · +2%
Rated RPM2,200RPM2,200RPMSame
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci254ci▲ D21 Series I+172 ci · +68%
Bore4.3in4.1in▲ D21 Series I+0.2 in · +5%
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IZetor 10540Difference
TypeSliding gear with dry disc clutchSynchromesh—

Dimensions & Weight

SpecAllis Chalmers D21 Series IZetor 10540Difference
Length161in154in▲ D21 Series I+7 in · +5%
Width91.6in75.9in▲ D21 Series I+15.7 in · +21%
Height107in110in▲ 10540+3 in · +3%
Operating Weight9,500lb8,957lb▲ D21 Series I+543 lb · +6%

Hydraulics

SpecAllis Chalmers D21 Series IZetor 10540Difference
System TypeNot recordedOpen—
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IZetor 10540Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IZetor 10540Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IZetor 10540Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerHydrostatic power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IZetor 10540Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IZetor 10540Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IZetor 10540Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 28th percentile (105 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 17th percentile (254 ci)

Cylinders

median 6
A · 50th percentile (6)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 61st percentile (18)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 25th percentile (8,957 lb)
A · D21 Series IB · 10540Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageZetor 10540